login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A140067 Records in A137849. 3

%I #4 Mar 30 2012 17:31:23

%S 1,2,4,6,8,12,16,18,24,30,36,42,48,60,72,84,90,96,108,120,144,168,180,

%T 192,210,216,240,252,264,288,300,312,324,336,360,384,396,408,420,432,

%U 468,480,504,528,540,576,600,648,660,672,720,756,780,792,816,840,900

%N Records in A137849.

%H Robert G. Wilson v, <a href="/A140067/b140067.txt">Table of n, a(n) for n = 1..266</a>.

%t f[n_] := f[n] = Block[{c = 1, d = Divisors@n, k = DivisorSigma[0, n], m = 1}, While[m != n, If[Min[PadRight[Divisors@m, k, n] - d] > -1, c++ ]; m++ ]; c]; Do[ f@n, {n, 1000}]; a = 0; lst = {}; Do[ If[f@n > a, a = f@n; AppendTo[lst, n]], {n, 1000}]; lst

%Y Cf. A137849, A094783.

%K nonn

%O 1,2

%A _Robert G. Wilson v_, May 04 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)